The structure of energy-use in Indian agriculture has changed substantially, with a significant shift from the animal and human power towards machines, electricity and diesel. The total commercial energy input in Indian agriculture has increased from 425.4 × 109 Mega Joules in 1980-81 to 2592.8 × 109 Mega Joules in 2006-07. This shift, coupled with increasing commercialization and diversificati...